This requires the FREE version to be installed first.
Really Simple SSL pro contains an extensive scan for mixed content issues, access to , and more!
- Extensive scan which enables you to detect the source of mixed content that couldn’t be fixed automatically, with fix button
 - Premium email support (
 - HttpOnly and secure flags to make the cookies more secure
 - Improve security by enabling for your site
 - Submit your site to the list
 - Warning by email and in your SSL dashboard when your certificate is about to expire
 - Mixed content fixer for the back-end
 - Easy implementable security headers: X-Content-Type-Options, X-XSS-Protection, X-Frame-Options, Expect-CT, Certificate Transparency, No Referrer When Downgrade header, Content Security Policy. Read the article for more info.